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Income Taxes (Details) - USD ($)
$ in Thousands
Oct. 24, 2015
Jul. 25, 2015
Income Tax Disclosure [Abstract]    
Income taxes receivable $ 400 $ 2,100
Income taxes payable 18,688 8,916
Unrecognized tax benefits 2,300 $ 2,300
Payment of interest and penalties accrued $ 900